Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

Comet 3I/ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec. 18 to 19), and it remains in a good viewing position tonight.

NEW YORK — Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what’s known ...

This Friday, October 24, 2025, the night sky is set to host a once-in-a-lifetime celestial show. Two bright green comets, C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), will be visible to skywatchers. These ...

On Friday, an object that formed outside of our galaxy passes close enough to Earth that we have a chance to see it in the night sky. It’s taken the astronomy community by storm. What is Comet ...

The month brings a strong lineup of celestial sights, including a supermoon, meteor activity, and several close moon-planet ...

The 2026 calendar has a few major standouts: a late-night total lunar eclipse, a particularly promising Perseid meteor shower ...

NEW YORK (AP) — Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what’s known as the Oort ...